Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing my new design; and,

FIG. 2 is a front view thereof, in which a mobile terminal in broken line is provided to illustrate an example environment.

The broken lines representing the portion of the display screen, text, and symbol in all the FIGS. and portions of the graphical user interface and mobile terminal in FIG. 2 are included for the purpose of illustrating portions of the article and environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 